18811728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{773}}^1$

素因数の和:813

約数の個数: 90

約数和(自身を含む): 57081726

約数和(自身を除く): 38269998

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 773, 936, 1014, 1352, 1521, 1546, 1872, 2028, 2319, 2704, 3042, 3092, 4056, 4638, 6084, 6184, 6957, 8112, 9276, 10049, 12168, 12368, 13914, 18552, 20098, 24336, 27828, 30147, 37104, 40196, 55656, 60294, 80392, 90441, 111312, 120588, 130637, 160784, 180882, 241176, 261274, 361764, 391911, 482352, 522548, 723528, 783822, 1045096, 1175733, 1447056, 1567644, 2090192, 2351466, 3135288, 4702932, 6270576, 9405864, 18811728]

約数ペア:

[(1, 18811728), (2, 9405864), (3, 6270576), (4, 4702932), (6, 3135288), (8, 2351466), (9, 2090192), (12, 1567644), (13, 1447056), (16, 1175733), (18, 1045096), (24, 783822), (26, 723528), (36, 522548), (39, 482352), (48, 391911), (52, 361764), (72, 261274), (78, 241176), (104, 180882), (117, 160784), (144, 130637), (156, 120588), (169, 111312), (208, 90441), (234, 80392), (312, 60294), (338, 55656), (468, 40196), (507, 37104), (624, 30147), (676, 27828), (773, 24336), (936, 20098), (1014, 18552), (1352, 13914), (1521, 12368), (1546, 12168), (1872, 10049), (2028, 9276), (2319, 8112), (2704, 6957), (3042, 6184), (3092, 6084), (4056, 4638)]